Home / 976,129,386.88-1,464,192,905.28-249,118,176.64

Finding the Fourth Proportional to 976,129,386.88, 1,464,192,905.28 and 249,118,176.64

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Solution

The fourth proportional to 976,129,386.88, 1,464,192,905.28 and 249,118,176.64 is: 373,676,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,129,386.88 : 1,464,192,905.28 = 249,118,176.64 : x
  2. Step 2: Convert to fraction form
    976,129,386.88/1,464,192,905.28 = 249,118,176.64/x
  3. Step 3: Cross multiply
    976,129,386.88x = 1,464,192,905.28 × 249,118,176.64
  4. Step 4: Simplify right side
    976,129,386.88x = 364,757,066,812,577,792
  5. Step 5: Solve for x
    x = 364,757,066,812,577,792/976,129,386.88
  6. Step 6: Final answer
    x = 373,676,965.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.